// include the latest version of the regex crate in your Cargo.toml
extern crate regex;
use regex::Regex;
fn main() {
let regex = Regex::new(r"(?m)\bBuilding: ([A-Z]+(?: (?!UNIT\b)[A-Z]+\b)*)").unwrap();
let string = "Building: BUILDING ONE 15 [building name followed by unit number]
Optional preceding text Building: BUILDING ONE 15 [preceding text, then building name followed unit number]
Building: BUILDING ONE UNIT 15 [building name followed by word UNIT and unit number]
Building: BUILDING ONE Floor 2 [building name followed by mixed case word]
Grounds: OPEN SPACE WEST Section 3 [not a building - return nothing]";
// result will be an iterator over tuples containing the start and end indices for each match in the string
let result = regex.captures_iter(string);
for mat in result {
println!("{:?}", mat);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Rust, please visit: https://docs.rs/regex/latest/regex/